Electrons (+ and -), Protons, Photons, Neutrons, and Cosmic Rays

Originally published in 1935, this book was written to provide a broad range of readers with an accessible guide to developments in physics. Mathematical proofs are included in the appendices in order to make the main body of the text more comprehensible for those without technical training. Illustrative figures are incorporated throughout. This is a highly readable book that will be of value to anyone with an interest in physics and the history of science.